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        相对窗口悬浮移动定位
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            <input type="button" id="cli1" style="position:relative;top: 0%;width: 30%;left: 20%;height: 30%" value="测试按钮1">
            <input type="button" id="cli2" style="position:relative;top: 0%;width: 30%;left: 20%;height: 30%" value="测试按钮2">
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